firms Unlike the other Greeks, implied volatility was unknown. 6 t Implied volatility Realized volatility t + 1 • It was calculated by reverse engineer process from the option price at time t. • Implied
]St0 HC = Ct1−[Delta]St1 DeltaBS = f ( St0, K, T, r, σ ) Historical statistic : Standard deviation Implied statistic : Min ∑ (Cmarket – C theoretical) 2 DeltaWM = f ( St0, K, T, r, μ, σ* ) σ* = f (r, μ
ไดรบัอนุญาต ตองจัดใหมีการเปดเผยขอมูลเพื่อเปรียบเทียบคาความผันผวนแฝง (implied volatility) กับคาความผันผวนในอดีต (historical volatility) บน website ของผูออก DW โดยเปนการเปดเผย อยางตอเนื่อง
, higher demand for virgin materials following the China import waste ban and superior supplier discipline has created a more balanced environment resulting in higher utilization rates and margins. Our
benefit from Spindletop integration synergies and organic growth potential Olympus cost program to start contributing to the bottom line Operating rates and inventory days to be balanced to optimize
economics as demand and supply get balanced. Unfortunately we recently had a lightening strike in recently started Lake Charles ,which might take few months to recover, damage assessment is being done
investments made in the higher-margins HVA businesses, integration into key feedstocks in balanced markets and timely investments in key geographies. These have resulted in a structural change in the earnings
-margins HVA businesses, in- tegration into advantaged feedstocks in balanced markets and timely investments in key geogra- phies. As is evident in the graph alongside, earn- ings growth has accelerated
เพิ่มเติม เพื่อใหตลาดซื้อขาย DW มีประสิทธิภาพยิ่งขึ้น (market efficient) กลาวคือ จากการศึกษาขอมูลพบวา ในทางปฏิบัติที่ผานมา ผูออก DW บางราย มีการกําหนดราคา DW โดยคิดคา Implied Volatility2 ไวคอนข
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